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-rw-r--r--src/include/acpi/acpi.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/include/acpi/acpi.h b/src/include/acpi/acpi.h
index 9a9a66d50b..a26d735865 100644
--- a/src/include/acpi/acpi.h
+++ b/src/include/acpi/acpi.h
@@ -866,12 +866,13 @@ typedef struct acpi_gic_its {
_Static_assert(sizeof(acpi_madt_gic_its_t) == 20, "Wrong MADT acpi_madt_gic_its_t size\n");
#define ACPI_DBG2_PORT_SERIAL 0x8000
-#define ACPI_DBG2_PORT_SERIAL_16550 0x0000
+#define ACPI_DBG2_PORT_SERIAL_16550_IO_ONLY 0x0000
#define ACPI_DBG2_PORT_SERIAL_16550_DBGP 0x0001
#define ACPI_DBG2_PORT_SERIAL_ARM_PL011 0x0003
#define ACPI_DBG2_PORT_SERIAL_ARM_SBSA 0x000e
#define ACPI_DBG2_PORT_SERIAL_ARM_DDC 0x000f
#define ACPI_DBG2_PORT_SERIAL_BCM2835 0x0010
+#define ACPI_DBG2_PORT_SERIAL_16550 0x0012
#define ACPI_DBG2_PORT_IEEE1394 0x8001
#define ACPI_DBG2_PORT_IEEE1394_STANDARD 0x0000
#define ACPI_DBG2_PORT_USB 0x8002